You saw the word on a parish notice or in a photo of a dark church full of candles. A Rorate Mass is a Votive Mass of the Blessed Virgin Mary offered during Advent, usually before sunrise, with the church lit by candles alone. The name comes from the first word of the opening chant: Rorate caeli desuper, "drop down dew, you heavens, from above."
It is quiet, short, and older than most of what happens in a parish church during December. If you have never been to one, here is what you are walking into.
The Introit for the Mass is a line from Isaiah 45:8 in the Latin Vulgate: Rorate caeli desuper, et nubes pluant iustum. "Drop down dew, you heavens, from above, and let the clouds rain down the Just One." It is a plea, and it fits Advent exactly. The people of God are waiting for rain on dry ground.
Because the Introit gives the Mass its name, you will sometimes see it printed as Missa Rorate. In German-speaking parishes it is still called the Rorateamt. The readings change with the day, but the Introit and the candlelight do not.
The Mass is celebrated before dawn, often starting between 5:30 and 6:30 a.m. The church is dark. The only light comes from candles on the altar and in the hands of the people. It is not a piece of theater. The darkness is the point: Christ has not yet come in the liturgy's calendar, and the church is waiting for him the way Israel waited.
There is a practical layer too. This custom grew up in northern Europe, in German lands, Poland, and parts of France, where Advent mornings are long and black. People walked to church in the dark, farm work waiting, and the candlelight Mass became a small vigil in the middle of an ordinary week.
As the Mass goes on and the sky outside begins to lighten, nothing in the church changes. The candles stay the only light until the end. Many people find that the slow brightening through the windows is the most memorable part.
It is a real Mass, not a devotion or a service of readings. A priest offers it, usually with a server or two. Vestments are violet or white, depending on the day and custom. There is a short homily. The whole thing usually runs 30 to 45 minutes, shorter than a Sunday Mass, since most people have to get to work.
In many places a light breakfast follows in the parish hall: coffee, bread, sometimes cake. That is not incidental. The Rorate Mass has always been a parish event as much as a liturgical one, and people stay to talk before the day starts.
You are welcome to receive Communion if you are a Catholic in a state of grace and have kept the Eucharistic fast, which means no food or drink other than water for one hour beforehand. If you are not Catholic, you can still come and pray. Nobody will ask you to leave.
Most parishes do not have a Rorate Mass. That is the plain truth. In the United States it is rare but growing, and you will find it most often at parishes of the Priestly Fraternity of St. Peter and other communities that keep the traditional Roman liturgy. Some diocesan parishes have picked it up in the last fifteen years as an Advent devotion.
In the United Kingdom it is rarer still, though a few cathedrals and traditional parishes hold one. If you live in a city with a Latin Mass community, that is the first place to look.
Parishes that have it usually schedule one weekday or Saturday morning in Advent, often the Saturdays of December or the week before Christmas. Some hold it every Saturday of Advent. Times are typically 6 or 7 a.m., sometimes 5:30.
Start with the bulletins and websites of traditional parishes within driving distance. The Priestly Fraternity of St. Peter lists its apostolates by state, and the Latin Mass Directory covers both the US and the UK. Search "Rorate Mass" plus your city and the current year; parish notices go up in late November.
Call the parish office if the website is unclear. Ask two things: the date and time, and whether it is a sung Mass, since a sung Rorate with the candle procession is longer and worth arranging your morning around.
If you find one, arrive ten minutes early. Churches fill up, parking is dark, and the candles are lit before you get there.
You are not shut out. The readings of the Rorate Mass are the Advent readings of the day, and the Introit is short enough to pray in a few minutes. Take Isaiah 45:8, light a candle at home before dawn, and read it aloud. Add the collect for the day if you have a missal.
Some families keep the custom this way through December: one candle, one reading, one Our Father, before the house wakes up. It is not the Mass, and it does not replace Sunday obligation or daily Mass if you can get to one. But it keeps the waiting real.
And ask your pastor. More than one Rorate Mass in the US started because a parishioner asked in September whether the parish might try one in December.
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No. Anyone may come and pray. If you are not Catholic, stay seated when others go up for Communion. You can still receive a blessing if you approach with your arms crossed over your chest, though customs vary, so it is fine to simply remain in the pew.
Usually 30 to 45 minutes. A sung Mass with a candle procession can run closer to an hour. Since most are held at 6 or 7 a.m., parishes keep them brief so people can get to work. Many serve coffee and bread afterward in the hall.
Yes, if you are a Catholic in a state of grace and have kept the one-hour Eucharistic fast, meaning no food or drink except water for an hour before. The Mass is a Votive Mass of the Blessed Virgin, but the Communion is the same as at any Mass.
The darkness expresses Advent waiting. Christ has not yet come in the Church's calendar, and the people are watching for him the way Israel watched. The custom grew in northern Europe, where December mornings were long and black, and the candlelight carried the whole Mass.
Pray the Introit at home. Isaiah 45:8 is one sentence: Rorate caeli desuper. Light a candle before dawn in December and read it aloud with the day's Advent reading. And ask your pastor in the fall whether the parish might offer one; several American parishes started that way.
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